Home / 5,425.13-8,131.55-2,497.38

Finding the Fourth Proportional to 5,425.13, 8,131.55 and 2,497.38

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Solution

The fourth proportional to 5,425.13, 8,131.55 and 2,497.38 is: 3,743.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.13 : 8,131.55 = 2,497.38 : x
  2. Step 2: Convert to fraction form
    5,425.13/8,131.55 = 2,497.38/x
  3. Step 3: Cross multiply
    5,425.13x = 8,131.55 × 2,497.38
  4. Step 4: Simplify right side
    5,425.13x = 20,307,557.85
  5. Step 5: Solve for x
    x = 20,307,557.85/5,425.13
  6. Step 6: Final answer
    x = 3,743.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.